adds api gpx upload route

web/package.json

@@ -17,6 +17,7 @@
     "@sveltejs/adapter-auto": "^3.0.0",
     "@sveltejs/kit": "^2.0.0",
     "@sveltejs/vite-plugin-svelte": "^3.0.0",
+    "@types/jsdom": "^21.1.6",
     "@types/leaflet": "^1.9.8",
     "@types/leaflet-gpx": "^1.3.7",
     "@types/node": "^20.11.25",
@@ -40,6 +41,7 @@
     "@types/three": "^0.161.2",
     "crypto-random-string": "^5.0.0",
     "date-fns": "^3.3.1",
+    "jsdom": "^24.0.0",
     "leaflet": "^1.9.4",
     "leaflet-gpx": "^1.7.0",
     "leaflet.awesome-markers": "^2.0.5",